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Show all the steps for the P-value method of Hypothesis Testing.
The Carolina Tobacco Company advertised that its best-selling nonfiltered cigarettes contain at most 40 mg of nicotine, but Consumer Advocate magazine ran tests of 10 randomly selected cigarettes and found the amounts (in mg) shown in the list below.
It's a serious matter to charge that the company advertising is wrong, so the magazine editor chooses a significance level of α = 0.01 in testing her belief that the mean nicotine content is greater than 40 mg. Using a 0.01 significance level, test the editor's belief that the mean is greater than 40 mg.
47.3 39.3 40.3 38.3 46.3 43.3 42.3 49.3 40.3 46.3
Show all the steps of your hypothesis test including a) the claim being tested , b) the null and alternative hypothesis, c) the test statistic, d) the p value, e) initial conclusion, and f) a final conclusion about the original claim.
Form the cumulative percentage distribution and plan a cumulative percentage polygon.
Problem based on decision tree - Evaluate the strategy that maximizes the manufacturer's expected net earnings.
Design a Linear programming problem for the flair Furniture Company and find the combination of tables and chairs that the company must produce to maximize profits.
For the 20 test scores shown, find the percentile rank for a score of 86.
The 'interaction effect' was also important. By using the means in the table above write a statement explaining how the anti-anxiety drug appears to affect anxiety. Are the outcomes consistent with the hypothesis proposed by the researchers?
Findout the probability using normal approximation for the provided values. Findout the specified probability from a table of Normal probabilities.
The study compared the number of Hm-2 gene mutations in each group. The data table is below.
Hours worked is important predictor of amount of sales.
The nation health department has concerns with the chlorine level of 0.4% mg/mL at a local water park raises to unsafe level.
Determine if there is a linear correlation between annual income and the amount of insurance? What is the linear regression line for this data?
Re item 4, assume the critical value for this test is 4.92, and you obtain a computed statistical value of 7.45. Is there evidence to refuse null hypothesis? Describe why or why not?
Assuming that the population standard deviations are the same, perform a two independent samples t-test on the hypotheses Null Hypothesis: μ1 = μ2, Alternative Hypothesis: μ1 ≠ μ2. What is the test statistic and p-value of this test?
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